Which beetles' larvae feed on the flesh of birds and mammals?

The larvae of hide beetles and leather beetles are known to feed on the flesh of birds and mammals, making this the correct answer. These beetles play a role in the decomposition process as they consume materials such as dried animal remains, skin, and fur. Their ability to process organic matter contributes to nutrient cycling in ecosystems.

Hide beetles, specifically, are often associated with animal remains and can be found in locations where deceased animals are present. Leather beetles, on the other hand, have a similar feeding habit but may also target materials like leather and other organic substances. Both types of beetles possess adaptations that allow them to exploit these resources effectively.

The other options do not match this feeding behavior. Lady beetles primarily feed on aphids and other small insects. Carpet beetles are known for their larvae consuming natural fibers, such as wool, silk, and fur, but not flesh. Weevil beetles are typically herbivorous, feeding on plant materials rather than animal remains. Understanding these feeding habits helps in managing pest populations and recognizing their ecological roles.